Public water system record
Denver Boro
Serves Denver, Lancaster County, PA · 3,861 people served
Federal records show 1 health-based violation and 12 monitoring/reporting issues for Denver Boro in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Denver Boro draws water from 4 wells and 1 surface water intake.
- Record on file since 1990, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,510 service lines.
Check whether Denver Boro serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2020 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 10, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1990
EPA's records for Denver Boro go back to 1990. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 43 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 25 |
| 2000s | 0 | 15 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 1 | 5 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 1996, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1996 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1995 | Resolved |
What the violations mean
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Denver Boro draws water from 4 wells and 1 surface water intake.
Annual water quality report
Denver Boro must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.
Certified drinking water labs by state EPA guidance for private wells